Galaxy s6 Edge wi-fi turn on problem

Hey everyone, i will like you try to help me.

i dont know what the reason, just in the middle of the day my wifi decide stop working...
i cant click the wi-fi button in the notifilication window, cant turn it on at the wi-fi settings.
when i try to turn on it stuck on "turning on", and the button still gray and not blue.

sulotions i tried:
i tried to flash a samsung rom stock again (6.0.1).
tried wipe cache/partition.
tried reset all settings/network settings/reset device.

i realy dont know what to do.
the wierd thing every time i reset my phone the wifi worked for something like 5 minutes, than just stopped.

i realy need your help guys, tried search gogle, found nothing.

thanx for help :)

phone details:
Galaxy s6 edge
Android 6.0.1
SM-G925F
G925FXXU3DPBT

if need more details, let me know.
thanx again.